Using C=CCOC(=O)NC1(c2ccc(C(O)=C3C(=O)Oc4ccccc43)cc2)CC1, C[O+](C)C to produce C=CCOC(=O)NC1(c2ccc(C(OC)=C3C(=O)Oc4ccccc43)cc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.