Using COc1cc(CCO)c(C2=CC3CCC2N3C(=O)OC(C)(C)C)cn1, BrC(Br)(Br)Br to produce COc1cc(CCBr)c(C2=CC3CCC2N3C(=O)OC(C)(C)C)cn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.