Using CCCn1nnc2c(Nc3ccc(C(C)C)cc3Br)nc(C)nc21, CCI to produce CCCn1nnc2c(N(CC)c3ccc(C(C)C)cc3Br)nc(C)nc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.