Using Nc1ccc2c(c1)OCO2, COc1cc2c(Cl)ncnc2cc1OCCCN1CCOCC1 to produce COc1cc2c(Nc3ccc4c(c3)OCO4)ncnc2cc1OCCCN1CCOCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.