Using CC(=O)OCC(=O)Cl, NCc1cccc2c1C(=O)N(C1CCC(=O)NC1=O)C2=O to produce CC(=O)OCC(=O)NCc1cccc2c1C(=O)N(C1CCC(=O)NC1=O)C2=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.