Using CCOC(=O)C(=Cc1c[nH]c2cc(C)ccc12)NC(C)=O to produce CC(=O)NC(=Cc1c[nH]c2cc(C)ccc12)C(=O)O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.