Using CC(C)(C)Oc1ccccc1CN(CCCN1CCC(c2ccccc2)CC1)Cc1ccccn1 to produce Oc1ccccc1CN(CCCN1CCC(c2ccccc2)CC1)Cc1ccccn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.