Using Nc1c2c(nc3cc(Cl)ccc13)CCCC2, BrCCCCCCCBr to produce Clc1ccc2c(NCCCCCCCBr)c3c(nc2c1)CCCC3, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.