Using CN(CCNC(=O)c1ccccc1)C1CCC(c2ccc3[nH]c(=O)oc3c2)CC1 to produce O=C(NCCNC1CCC(c2ccc3[nH]c(=O)oc3c2)CC1)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.