Using COc1cc2c(Nc3ccc4[nH]c(C)cc4c3)ncnc2cc1O, OCCCN1CCOCC1 to produce COc1cc2c(Nc3ccc4[nH]c(C)cc4c3)ncnc2cc1OCCCN1CCOCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.