Using COc1c2c(c(Br)[nH]c1=O)CCN(Cc1ccc(F)c(Cl)c1)C2=O to produce O=C1c2c(c(Br)[nH]c(=O)c2O)CCN1Cc1ccc(F)c(Cl)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.