Using CCCCCCC(=O)O, CCCCCCCCC1Cc2ccc(-c3ncc(-c4ccc(O)cc4)cn3)cc2C1 to produce CCCCCCCCC1Cc2ccc(-c3ncc(-c4ccc(OC(=O)CCCCCC)cc4)cn3)cc2C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.