Using CC(=O)Cc1cc(-c2ccn3ccnc3c2)ccn1, C1COCCN1 to produce CC(Cc1cc(-c2ccn3ccnc3c2)ccn1)N1CCOCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.