Using COc1ccc([C@@H](C)N)cc1, O=CCCC(=O)c1cc(Br)ccn1 to produce COc1ccc([C@H](C)N2CCC[C@H]2c2cc(Br)ccn2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.