Using CCCc1c(OCCCCCOc2ccc3c(c2CCC)OC(C(=O)OC)CC3)ccc(C(C)=O)c1O, CC(C)=O to produce CCCc1c(OCCCCCOc2ccc(C(C)=O)c(OC)c2CCC)ccc2c1OC(C(=O)OC)CC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.