Using C[O-], O=c1c(Br)nn(-c2ccccc2CO)c(=O)n1Cc1ccc(Cl)cc1 to produce COc1nn(-c2ccccc2CO)c(=O)n(Cc2ccc(Cl)cc2)c1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.