Using O=C(CBr)OCc1ccccc1, COC(=O)C1CCCn2c(=O)[nH]c(=O)n21 to produce COC(=O)C1CCCn2c(=O)n(CC(=O)OCc3ccccc3)c(=O)n21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.