Using C=CCN(C(=O)OCc1ccccc1)c1cnc2n(c1=O)[C@H](C(=O)Nc1ccccc1)CC2C, CC(C)(C)OC(=O)CBr to produce C=CCN(C(=O)OCc1ccccc1)c1cnc2n(c1=O)[C@@H](C(=O)Nc1ccccc1)C[C@@]2(C)CC(=O)OC(C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.