Using CCOC(=O)CC(c1ccccc1)n1cnc2cc(NC(=O)Nc3ccccc3)ccc21 to produce O=C(O)CC(c1ccccc1)n1cnc2cc(NC(=O)Nc3ccccc3)ccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.