Using CCOC(C)=O, COc1ccc(Cn2c(=O)c3cccnc3c3c(OC)cccc32)cc1 to produce COc1ccc(Cn2c(=O)c3c(c4ccc(OC)cc42)NCCC3)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.