Using O=C(O)c1cccc(C=C2COc3ccc(OCc4ccccc4)cc3C2=O)c1, C1CCOC1 to produce COC(=O)c1cccc(CC2COc3ccc(O)cc3C2=O)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.