Using C=Cc1nc(C)n(Cc2ccc(OCCCCC)cc2Cl)c1C=O to produce CCCCCOc1ccc(Cn2c(C)nc(CC)c2C=O)c(Cl)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.