Using c1ccc2c(c1)CCNC2, O=C(O)c1cc2cc(C(=O)N3CCN(C4CCCC4)CC3)ccc2[nH]1 to produce O=C(c1ccc2[nH]c(C(=O)N3CCc4ccccc4C3)cc2c1)N1CCN(C2CCCC2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.