Using CCOP(=O)(CC#N)OCC, Cc1nc2c3c(ccc2n1Cc1ccccc1)CCC3=O to produce Cc1nc2c3c(ccc2n1Cc1ccccc1)CCC3=CC#N, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.