Using CCN=C=NCCCN(C)C, CC(C)(C)c1cc2c(Br)c(-c3ccccc3)cc(C(=O)O)c2o1 to produce CC(C)(C)c1cc2c(Br)c(-c3ccccc3)cc(C(N)=O)c2o1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.