Using c1ccc2c(c1)Sc1ccccc1C2Cc1ccncc1, ClCc1ccncc1 to produce c1ccc2c(c1)Sc1ccccc1C2(Cc1ccncc1)Cc1ccncc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.