Using Cc1ccc(CCl)nc1, Sc1nc2cc3c(cc2[nH]1)COCO3 to produce Cc1ccc(CSc2nc3cc4c(cc3[nH]2)COCO4)nc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.