Using CCCCc1c(CCl)cnn1-c1ncc(C)c(-c2cccs2)n1, Cc1ncn(C)c1CO to produce CCCCc1c(COCc2c(C)ncn2C)cnn1-c1ncc(C)c(-c2cccs2)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.