Using CC(=Nc1ccc(N)cc1)N(C)C, O=C(O)CNC(=O)OCc1ccccc1 to produce CC(=Nc1ccc(NC(=O)CNC(=O)OCc2ccccc2)cc1)N(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.