Using CCOC(=O)C(C)C1CC2(CCN(C(=O)NC3C4CC5CC(C4)CC3C5)CC2)c2c(Br)cccc21 to produce CC(C(=O)O)C1CC2(CCN(C(=O)NC3C4CC5CC(C4)CC3C5)CC2)c2c(Br)cccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.