Using COC(=O)C1C(NC(C)c2ccccc2)C2CCC1N2C(=O)OC(C)(C)C to produce COC(=O)C1C(N)C2CCC1N2C(=O)OC(C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.