Using CCCCCCCCCOC(=O)Cl, CCCCCCCCCCCCc1cnc(-c2ccc(O)cc2)nc1 to produce CCCCCCCCCCCCc1cnc(-c2ccc(OC(=O)OCCCCCCCCC)cc2)nc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.