Using CCOC(=O)c1cc2n(n1)CCN(C(=O)c1sc3ccccc3c1C)C2 to produce Cc1c(C(=O)N2CCn3nc(C(=O)O)cc3C2)sc2ccccc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.