Using CCC(=O)N1CCCC2C(=O)c3c(c(Br)cc4c3OCO4)CC21 to produce CCCN1CCC[C@@H]2Cc3c(ccc4c3OCO4)C[C@@H]21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.