Using O=C1NC(=O)c2ccccc21, COc1ccc(C(=O)CCC(C)Cl)cc1 to produce COc1ccc(C(=O)CCC(C)N2C(=O)c3ccccc3C2=O)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.