Using CCN=C=O, Cc1c(CN2CCN(c3nccnc3-c3ccc(CN)cc3)CC2)cnn1C to produce CCNC(=O)NCc1ccc(-c2nccnc2N2CCN(Cc3cnn(C)c3C)CC2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.