Using COC(=O)C1=C(Oc2ccccc2)CC(=COc2cccnc2)C=C1 to produce O=C(O)c1ccc(COc2cccnc2)cc1Oc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.