Using CCC1(CC)c2ccccc2-c2ccc(N(c3ccccc3)c3ccccc3)cc21, O=C(Br)CBr to produce CCC1(CC)c2cc(C(=O)CBr)ccc2-c2ccc(N(c3ccccc3)c3ccccc3)cc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.