Using CC(=O)c1c(-c2ccncc2)[nH]c(-c2ccncc2)c1C, COCCl to produce COCn1c(-c2ccncc2)c(C)c(C(C)=O)c1-c1ccncc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.