Using COc1cc2c(Nc3c(Cl)ccc4c3OCO4)ncnc2cc1O, OCCN1CCCC1 to produce COc1cc2c(Nc3c(Cl)ccc4c3OCO4)ncnc2cc1OCCN1CCCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.