Using CCCNC(=O)Nc1ccc(Oc2ncnc3cc(OC)c(O)cc23)cc1Cl, BrCCCBr to produce CCCNC(=O)Nc1ccc(Oc2ncnc3cc(OC)c(OCCBr)cc23)cc1Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.