Using CCOC(=O)Cn1c(C)c(Sc2ccc(Cl)cc2)c2c1CCCC2=NO, CC(=O)OC(C)=O to produce CCOC(=O)Cn1c(C)c(Sc2ccc(Cl)cc2)c2c(NC(C)=O)cccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.