Using CC(=O)NC1(C(C)=O)CCc2c(O)c3c(c(O)c2C1)C(=O)c1ccccc1C3=O to produce CC(=O)C1(N)CCc2c(O)c3c(c(O)c2C1)C(=O)c1ccccc1C3=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.