Using O=C(c1ccccc1)c1ccccc1, CCOC(=O)C(CCc1ccccc1)C(C)=O to produce O=C1OC(c2ccccc2)(c2ccccc2)CC(O)=C1CCc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.