Using NC(=O)c1sc2nc3c(c(-c4cccs4)c2c1N)CNC3, ClCCCBr to produce NC(=O)c1sc2nc3c(c(-c4cccs4)c2c1N)CN(CCCCl)C3, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.