Using C=C(C)c1ccc2c(c1)N(C(=O)CN1CCN(C(=O)OC(C)(C)C)[C@H](C)C1)CC2 to produce CC(C)c1ccc2c(c1)N(C(=O)CN1CCN(C(=O)OC(C)(C)C)[C@H](C)C1)CC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.