Using [N-]=[N+]=NC(CBr)c1cn(COCCO)c(=O)[nH]c1=O, C=Cc1cn(COC(CO)CO)c(=O)[nH]c1=O to produce [N-]=[N+]=NC(CBr)c1cn(COC(CO)CO)c(=O)[nH]c1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.