Using CCOC(=O)c1cccc(C(=O)N2CCC(N3C(=O)CCc4ccccc43)CC2)c1, N to produce NC(=O)c1cccc(C(=O)N2CCC(N3C(=O)CCc4ccccc43)CC2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.