Using CCCCCC(O)c1cccc(OCc2cccc(C(=O)OC)c2)c1, CI to produce CCCCCC(OC)c1cccc(OCc2cccc(C(=O)OC)c2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.