Using O=C(O)Cc1ccccc1, O=c1[nH]c2nccc(NC3CCNCC3)c2c2ccccc12 to produce O=C(Cc1ccccc1)N1CCC(Nc2ccnc3[nH]c(=O)c4ccccc4c23)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.