Using O=C(n1ccnc1)n1ccnc1, CCS(=O)(=O)c1ccc(Br)c(C(=O)O)c1 to produce CCS(=O)(=O)c1ccc(Br)c(C(N)=O)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.