Using ClCc1ccc2ccccc2n1, Nc1nc2c3c(n[nH]c3n1)CCS2 to produce Nc1nc2c3c(nn(Cc4ccc5ccccc5n4)c3n1)CCS2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.