Using CCOC(C)=N, CCNc1ccc(CN2CCN(C(c3ccccc3)c3ccccc3)CC2)cc1N to produce CCn1c(C)nc2cc(CN3CCN(C(c4ccccc4)c4ccccc4)CC3)ccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.