Using NCC(=O)O, CCOC(=O)c1ncc2c(ccn2Cc2ccccc2OC)c1O to produce COc1ccccc1Cn1ccc2c(O)c(C(=O)NCC(=O)O)ncc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.