Using COC(=O)n1ncc2c(NC(=O)NC3CCN(C)c4ccccc43)cccc21 to produce CN1CCC(NC(=O)Nc2cccc3[nH]ncc23)c2ccccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.