Using COc1nnccc1C(=O)C[C@H](c1ccc(C2CCN(C(=O)OC(C)(C)C)CC2)cc1)c1ccccc1C to produce COc1nnccc1C(=O)C[C@H](c1ccc(C2CCNCC2)cc1)c1ccccc1C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.