Using COC1=C[C@]23CCN(C=O)[C@H](Cc4cccc(OC)c42)[C@@H]3CC1 to produce COc1cccc2c1[C@]13CCN[C@H](C2)[C@@H]1CCC(=O)C3, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.