Using COc1cc2c(Oc3ccc(NC(=O)N(C)C)c(Cl)c3)ncnc2cc1O, BrCCCCBr to produce COc1cc2c(Oc3ccc(NC(=O)N(C)C)c(Cl)c3)ncnc2cc1OCCCCBr, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.