Using Oc1cccc(CCCNc2nc(Nc3cccc(CBr)c3)ncc2Cl)c1 to produce Clc1cnc2nc1NCCCc1cccc(c1)OCc1cccc(c1)N2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.