Using CCOC(=O)C(c1ccccc1)N1CCc2c(cnc3c2cnn3Cc2ccc(OC)cc2)C1 to produce COc1ccc(Cn2ncc3c4c(cnc32)CN(C(C(=O)O)c2ccccc2)CC4)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.