Using CC1=C(C(=O)O)N2C(=O)C(N)[C@H]2SC1, CCOC(=O)N1C(=O)c2ccccc2C1=O to produce CC1=C(C(=O)O)N2C(=O)C(N3C(=O)c4ccccc4C3=O)[C@H]2SC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.