Using NC(=O)c1cc(OCc2ccccc2)ccc1NCCN1CCN(c2ccccc2)CC1 to produce CCOc1ccc(NCCN2CCN(c3ccccc3)CC2)c(C(N)=O)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.