Using CCC1(c2ccc(C=O)s2)OCCO1, CCOP(=O)(Cc1ccc(C(=O)OC)c(C(=O)OC)c1)OCC to produce CCC1(c2ccc(/C=C/c3ccc(C(=O)OC)c(C(=O)OC)c3)s2)OCCO1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.