Using O=C(Nc1cccc2c(-n3ccnc3)c(CO)cnc12)c1c(Cl)cccc1Cl, CN(C)C=O to produce COCc1cnc2c(NC(=O)c3c(Cl)cccc3Cl)cccc2c1-n1ccnc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.