Using CCNC(=O)Oc1ccccc1, Nc1cc(Nc2ccc3[nH]ccc3c2)ncn1 to produce CCNC(=O)Nc1cc(Nc2ccc3c(ccn3C(=O)NCC)c2)ncn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.