Using CCOC(=O)N1c2c(c(C)nn2C)C(NC(=O)OCc2ccccc2)CC1CC to produce CCOC(=O)N1c2c(c(C)nn2C)C(N)CC1CC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.