Using CCN=C=O, CN(C)C1CCN(c2cc(-c3cccnc3)cc3nc(N)nn23)C1 to produce CCNC(=O)Nc1nc2cc(-c3cccnc3)cc(N3CCC(N(C)C)C3)n2n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.