Using CCOC(=O)c1cc(-c2ccnc(N)n2)sc1-c1ccccc1 to produce Nc1nccc(-c2cc(C(=O)O)c(-c3ccccc3)s2)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.