Using C=CC[C@@H]1[C@@H](C(C)O)C(=O)N1C(C(=O)OC)=C(C)C, O=CO to produce C=CC[C@@H]1[C@@H]([C@@H](C)OC=O)C(=O)N1C(C(=O)OC)=C(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.