Using O=CO, Cc1ccc(C(=O)N2CC(c3ccc(C#N)cc3)C2)cc1-c1[nH]c(C2CCNCC2)nc1C to produce Cc1ccc(C(=O)N2CC(c3ccc(C#N)cc3)C2)cc1-c1[nH]c(C2CCN(C)CC2)nc1C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.